Roy Moore today, Ted Cruz next?

U.S. Congressman Beto O'Rourke, who is challenging U.S. Sen. Ted Cruz's seat in the next election, talks to the public during a rally at No Label Brewery Saturday, Nov. 11, 2017, in Katy. ( Yi-Chin Lee / Houston Chronicle )

U.S. Congressman Beto O'Rourke, who is challenging U.S. Sen. Ted...

It didn't take long for the Democrat who wants to unseat U.S. Ted Cruz to seize on Alabama's Senate results.

Minutes after Democrat Doug Jones was declared the winner Tuesday night in Alabama, El Paso Democrat Beto O'Rourke had a fundraising email out to his supporters explaining why Cruz, the freshman Republican from Houston, is going to be the next to lose a once-safe Senate seat.

"If you weren't sure if our campaign to take on Ted Cruz was possible, you have to know it is now," the email declares. "Next stop, Texas 2018."

The email points out that President Donald Trump won Alabama by 28 points in 2016, and yet Jones was victorious. Trump won Texas by 9 percent points.

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Media: Cheddar TV

And O'Rourke was quick to take to social media, posting a clip from Fox News earlier this year in which Cruz refused to call in Republican Roy Moore to drop out of the Senate race. Cruz initially endorsed Moore, but as allegations of Moore's relationships with teenage girls emerged, Cruz eventually withdrew his endorsement.

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